Home / 25,953.21-38,935.26-8,421.66

Finding the Fourth Proportional to 25,953.21, 38,935.26 and 8,421.66

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Solution

The fourth proportional to 25,953.21, 38,935.26 and 8,421.66 is: 12,634.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,953.21 : 38,935.26 = 8,421.66 : x
  2. Step 2: Convert to fraction form
    25,953.21/38,935.26 = 8,421.66/x
  3. Step 3: Cross multiply
    25,953.21x = 38,935.26 × 8,421.66
  4. Step 4: Simplify right side
    25,953.21x = 327,899,521.73
  5. Step 5: Solve for x
    x = 327,899,521.73/25,953.21
  6. Step 6: Final answer
    x = 12,634.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.